To take some kind of assenting action to initiate computer bootup, e.g., to turn on the primary power (often referred to as initiating a cold bootup) or restart a powered-up computer (often referred to as initiating a hot bootup or hot reboot).

To start a computer. Inspired by the phrase, "pull oneself up by one's boot straps."

 In the old days, a computer booting up could take a minute or two as technical arcana flashed up your monitor. That's not how most computers work anymore, and slowly, I think we're losing this word. And in its more figurative meaning — go through the turning-on process — we have "spin up" and "start up."

To boot up is to start up a computer system by providing it with the required electrical power and loading the startup services until the operating system is loaded. It refers to the process of starti [..]